Helicopter flying toy



May 1931- H. T. NELSON 1,803,636

HELICOPTER FLYING TOY Filed Dec. 26. 1929 INVENTOR.

ATTORNEYS.

Patented May 5,1931 i r UNITED STATES PATENT OFFICE HARRY TRACY NELSON,F DALLAS, TEXAS HELICOPTER FLYING TOY 1 Application filed December 26,1929. Serial No.'416,540.

The invention relates to new and useful tion and illustrates how itappears while asimprovements in helicopters or flying toys. sending. V

The object of the invention is to provide a In the. drawings the numeral10 designates helicopter or flying toy which may be used the frame whichmay bemade of wood or wire as a toy or for any other purpose for whichto which is fastened the lower propeller, 34 55 it is suitable. by meansof small bolts, 17 and 18.

One object of the invention is to provide a At the upper end, propeller12 is connected, helicopter with propellers revolving in opthe hook 14passing through the hole at 19 posite directions cooperating to propelthe and washer 15 is provided as a bearing. The

device in the same direction and with a parapropeller arms are bent asshown at 32 and 33 60 chute attached to the lower end of the frame andthe propeller blades made of paper or so that when the prepellers ceaseto rotate thin aluminum. At the lower end of the and the helicopterbegins to fall the paraframe is hOOk 16. "Betweenhooks 14: and 16 hutwill b n d th b b i i th I are connected several rubber bands whichhelicopter safely and comparatively slowly 1en WOund up and releasedcause the pro- 65 to the ground, such an operation producing pellers torevolve in opposite direction, coeither a pleasing or useful effect, orboth. p r g 111 1153- Another object of the'invention is to pro- B 20 fstens hook '16 and also holds vide a helicopter with a parachuteattached g yt element 21 f he Swivel connec- 20 to the lower end,preferably by means of e tion which is provided with'eyelets 24 and 25 2swivel connection, so that the parachute is ings 0f the other element 22of the not rotated by the revolving motion of the l ch also extendsdownward and h licopter a d i f t ha d t so forms loop 26 to which isfastened the cords that its cords will not become twisted while 0fpariwhuts 9. Arm 27 lsalso provided 25 th h li t i di t th ith andextends outwardfrom the arms of rotameans for holding the parachuteclosed dur- @1011 O the swlvel, being sllghtly curved uping the ascentand automatically releasing Ward 11631 the d and Whichsupports F th a ah t t Open t th b i i f upper end of the parachute by means of rlng thedesce t 28 during the ascent of the toy.

30 A further object of the invention is to pro- 7118K the t y 1S 9 d P,1 11 hed and vide a helicopter with a parachute attached has reached ltsmaxlmllm h a 1t turns to the lower end which by its trailing effectOver, the 1 1 p t b 5; heavlel" and the and resistance through the'airprovides sup- Pmiachute FS l and a g d r plement l means f a i ti th hli t whlleascendlng. V The lnstant the toy starts 35 to continue in avertical direction, thereby tum 2113127 swlngs lnwal'd and the helpingthe toy to reach its maximum hei ht. starts downward the ring 28 slidesOE A further object of the invention is to 5T0- arm and the parachuteOpens The toy then descends 'racefull in the araohute za toy i gianduhght 2 thus producing 3 useful aiid attract i ve device: 40 Ion W1emoun a 6 Props ers an easl y Since the element 21 of the swivel is heldreplaced rubber bands so that 113 may be qulck' rigidly and element 22is free to turn relative y and f y mountefl demounted and to 21, arm 27will always-swing around on the Packed 111 a small me inward side whenthe toy beginsto turn over,

The inventlon y be'more readlly under regardless of the direction ithappens to fall,

45 stood from a reading of'the following specid th release the parachutet th proper Iications and by reference to the accompanytime, V, ingdrawings, in which an example 0f the lIl- Various changes inthe size andshape of the vention is shown and wherein: different parts, as wellasmodifications and Fig. 1 is a view of the'fiying toy which alterationsmay be made within the scope of 50 is constructed in accordance with theinventhe appended claims,

What I claim is 1. A flying toy with a parachute attached to the lowerend of the frame by means including a swivel connection having avertical axis, one element of the swivel being rlgidly attached to theframe of the toy, the other element of the swivel having the cords ofthe parachute fastened to it and having a portion extending forsupporting the top of the parachute.

2. A flying toy with a parachute attached to the lower end of the frameby means including a swivel connection having a vertical axis, oneelement of the swivel being rigidly attached to the frame of the toy,the other element of the swivel having the cords of the parachutefastened to it and supporting the top of the parachute by means of anarm extending outward from the axis of the lower element of the swivel.

3. A flying toy with a parachute attached to the lower end of the frameby means including a swivel connection having a vertical axis, oneelement of the swivel being rigidly attached to the frame of the toy,the other element of the swivel having the cords of the parachutefastened to it and supporting the top of the parachute by means of anarm extending outward from the axis of the lower element of the swivel,means on top of the parachute for being supported by the arm.

4;. A toy helicopter having a frame, two propellers arranged to revolvein opposite directions with respect to each other, a power unit, aparachute attached to the lower end of the frame by means including aswivel con nection, the swivel having a vertical axis, one element ofthe swivel attached rigidly to the frame, the other element of theswivel, having the cords of the parachute fastened to it, same elementof swivel also ha ing a hook portion extending for supporting the top ofthe parachute, means on top of the parachute for being supported by sameelement of swivel.

5. A toy helicopter having a frame, two propellers arranged to revolvein opposite directions, with respect to each other, a power unit, aparachute attached to the lower end of the frame by me ans including aswivel connection, the swivel having a vertical axis, one element of theswivel attached rigidly to the frame, the other element of the swivelhaving the cords of the parachute fastened to it, same element of swivelalso having a hook portion extending for supporting the top of theparachute, by means of an arm extending outward from the axis of thelower element of the swivel, means on top of the parachute for beingsupported by same element of swivel.

In testimony whereof I afiix my signature.

HARRY TRACY NELSON.

